A Tokyo o-tanto with aikuchi mounts
By Masakatsu, dated 1870
Sugata (configuration): hon-zukuri, iori-mune, torii-zori, o-kissaki
Kitae (forging pattern): ko-mokume mixed with masame
Hamon (tempering pattern): broad sugu-ba and ko-gunome in nie with ko-choji and sunagashi
Boshi (tip): ko-maru
Nakago (tang): ubu, kuri-jiri with one hole and o-sujikai and kesho file marks and signed Oite Tokyo Masakastu saku and dated Meiji san-nen ni-gatsu (no) hi
Habaki (collar): one-piece, silver-foil
Nagasa (length from tip to beginning of tang): 12 3/8in (31.6cm)
Motohaba (width at start of tempered edge): 1 1/8in (2.9cm)
Sakihaba (width before tip): 1in (2.6cm)
In shirasaya (wood storage scabbard)
Black-lacquer aikuchi-goshirae decorated with stylized butterflies and scissor-tailed swallows in sunken relief
With Hozon Tosogu (Sword fitting worthy of preserving) certificate issued by the Nihon Bijutsu Token Hozon Kyokai (The Society for the Preservation of the Japan Art Sword), dated 1986.19.9.
- Please note the certificate information should read:
With Hozon Token (Sword worthy of preserving) certificate no. 306838 issued by the Nihon Bijutsu Token Hozon Kyokai (The Society for the Preservation of the Japan Art Sword), dated 1986.19.9.